"Terrapin" is a song by Syd Barrett

Syd Barrett

Syd Barrett , born Roger Keith Barrett, was an English singer-songwriter, guitarist, and painter, best remembered as a founding member of the band Pink Floyd. He was the lead vocalist, guitarist and primary songwriter during the band's psychedelic years, providing major musical and stylistic...

 that appears as the first track off his first solo album The Madcap Laughs

The Madcap Laughs

The Madcap Laughs is an album by British singer/songwriter Syd Barrett, released on 3 January 1970. It was his first solo album after being replaced in the band Pink Floyd by his old school friend David Gilmour.- History :...

and is notably the sole representative from that album that appears on The Peel Session. The song's arrangement is sparse, like much of the album, and features only acoustic and electric guitar accompaniment to the vocals.

The song has been covered by Phish

Phish

Phish is an American rock band noted for its musical improvisation, extended jams, and exploration of music across genres. Formed at the University of Vermont in 1983 , the band's four members – Trey Anastasio , Mike Gordon , Jon Fishman , and Page McConnell Phish is an American rock band...

, The Smashing Pumpkins

The Smashing Pumpkins

The Smashing Pumpkins are an American alternative rock band that formed in Chicago, Illinois in 1988. Formed by Billy Corgan frontman and James Iha , the band has included Jimmy Chamberlin , D'arcy Wretzky , and currently includes Jeff Schroeder Mike Byrne , and Nicole Fiorentino The Smashing...

, Marc and the Mambas

Marc and the Mambas

Marc and the Mambas was a new wave group, formed by Marc Almond, in 1982 as an off-shoot project from Soft Cell. The band's line-up changed frequently, and included Matt Johnson from The The and Annie Hogan, with whom Almond worked later in his solo career....

, as well as David Gilmour

David Gilmour

David Jon Gilmour, CBE, D.M. is an English rock musician and multi-instrumentalist who is best known as the guitarist, one of the lead singers and main songwriters in the progressive rock band Pink Floyd. In addition to his work with Pink Floyd, Gilmour has worked as a producer for a variety of...

, who featured the song on the live album David Gilmour in Concert

David Gilmour in Concert

David Gilmour in Concert is a DVD of Pink Floyd guitarist David Gilmour's solo concert at the Royal Festival Hall, London in June 2001, as part of the Robert Wyatt-curated Meltdown festival. It also features additional footage recorded during three concerts at the same venue in January 2002...

.

The Syd Barrett Appreciation Society titled its official magazine Terrapin (published from 1972–1976), in tribute to the song.